Home / 91,065,679.20-136,551,279.60-33,528,333.60

Finding the Fourth Proportional to 91,065,679.20, 136,551,279.60 and 33,528,333.60

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Solution

The fourth proportional to 91,065,679.20, 136,551,279.60 and 33,528,333.60 is: 50,275,107.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,065,679.20 : 136,551,279.60 = 33,528,333.60 : x
  2. Step 2: Convert to fraction form
    91,065,679.20/136,551,279.60 = 33,528,333.60/x
  3. Step 3: Cross multiply
    91,065,679.20x = 136,551,279.60 × 33,528,333.60
  4. Step 4: Simplify right side
    91,065,679.20x = 4,578,336,855,935,675
  5. Step 5: Solve for x
    x = 4,578,336,855,935,675/91,065,679.20
  6. Step 6: Final answer
    x = 50,275,107.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.